Question

Find area enclosed between 2 concentric circles with radious 14 cm and 16 cm.
$\pi = 3.14$
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Answer 1

Area enclosed would be area of bigger circle-area of smaller circle

piR^2_pir^2

3.14×16×16-3.14×14×14

3.14(256-196)

3.14×60

=188.4cm^2

Answer 2

Answer:

enclosed are = area of bigger circle - area of small circle

=803.84cm^2 - 615.44cm^2

=188cm^2